25924487 has 2 divisors, whose sum is σ = 25924488. Its totient is φ = 25924486.

The previous prime is 25924447. The next prime is 25924499. The reversal of 25924487 is 78442952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25924487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25924447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12962243 + 12962244.

It is an arithmetic number, because the mean of its divisors is an integer number (12962244).

Almost surely, 2^25924487 is an apocalyptic number.

25924487 is a deficient number, since it is larger than the sum of its proper divisors (1).

25924487 is an equidigital number, since it uses as much as digits as its factorization.

25924487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 25924487 is about 5091.6094704916. The cubic root of 25924487 is about 295.9625249306.

The spelling of 25924487 in words is "twenty-five million, nine hundred twenty-four thousand, four hundred eighty-seven".